DK Smithsonian Handbooks Gemstones is packed with more than 800 vivid full-color photographs of more than 130 varieties of cut and uncut stones, organic gemstones, and precious metals. With authoritative text, clear photography, and a systematic approach, this concise guide to identification enables you to recognize each gemstone instantly. Photo-Encylopedic Approach - Each expertly written entry combines a precise description with annotated photographs to highlight the gemstone's chief characteristics and distinguishing features. Additional color illustrations and photographs show uncut stones, color variations, and a wide range of popular cuts. Easy-to-use, color-coded bands provide at-a-glance facts for quick reference. Also included is a concise glossary. Contents include: What are Gemstones, How Gemstones are Formed, Where Gemstones are Found, Physical Properties, Crystal Shapes, Optical Properties, Natural Inclusions, Faceting, Polishing, Carving and Engraving, Gems Through the Ages, History and Folklore, Synthetic Gemstones, Imitation and Enhancement, Color Key, Precious Metals, Cut Stones, and Organics.
Smithsonian Handbook Gemstones,.